Quality Control Testing

Quality Control Testing

Rice quality control is our most concerned procedure. We have the laboratory, professional staff and equipment
to perform a complete examination. This includes physical test, chemical test, genetic test, and sensory test
before accepting any raw material to the production line

PHYSICAL TEST

Grain Test:

Grain quality by physical test is one of the assessments from the standard rice evaluation manual.

Cleanliness:

Every kernel of rice must be cleaned accordingly to the hygienic standard of rice evaluation.

Moisture Test:

We accept rice that has 14% of moisture in accordance to the standard of trading, which also a food safety for stocking.

Whiteness Test:

The whiteness of rice is accurately tested using the standard measuring equipment to meet client’s requirement.

Purity Test:

Examine rice purity by taking a random sample then test for the level of amylose in rice kernel.

CHEMICAL TEST

Purity Test:

The examination proceeds by dropping some Iodine solutions then measure the glycolysis of rice grain in
alkaline or as known as coloration.

Freshness Test:

To ensure that the product is qualified, we use acid-base measurement or PH testing method following a
reaction from the indicator solvent to identify the freshness of rice.

DNA TEST

DNA Test:

Rice is sent to the DNA Technology Laboratory for 48 hours to certify that our Jasmine rice is GMO free.

SENSORY TEST

Sensory Test:

Sensory testing is an observation of texture, fluffiness, softness, taste and the scent of cooked rice.

Wonnapob Co., Ltd. is one of the
professional rice exporters in Thailand. Through our
most-up-to-date automatic equipment for rice polishing,
cleaning, destoner, sorting and weighing scales of digital system.